期刊
EUROPEAN PHYSICAL JOURNAL C
卷 79, 期 2, 页码 -出版社
SPRINGER
DOI: 10.1140/epjc/s10052-019-6620-z
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资金
- Austrian Federal Ministry of Science, Research and Economy
- Austrian Science Fund
- Belgian Fonds de la Recherche Scientifique
- Fonds voor Wetenschappelijk Onderzoek
- CNPq
- CAPES
- FAPERJ
- FAPESP
- Bulgarian Ministry of Education and Science
- CERN
- Chinese Academy of Sciences
- Ministry of Science and Technology
- National Natural Science Foundation of China
- Colombian Funding Agency (COLCIENCIAS)
- Croatian Ministry of Science, Education and Sport
- Croatian Science Foundation
- Research Promotion Foundation, Cyprus
- Ministry of Education and Research
- Estonian Research Council [IUT23-4, IUT23-6]
- European Regional Development Fund, Estonia
- Academy of Finland
- Finnish Ministry of Education and Culture
- Helsinki Institute of Physics
- Institut National de Physique Nucleaire et de Physique des Particules/CNRS
- Commissariat a l'Energie Atomique et aux Energies Alternatives/CEA, France
- Bundesministerium fur Bildung und Forschung
- Deutsche Forschungsgemeinschaft
- Helmholtz-Gemeinschaft Deutscher Forschungszentren, Germany
- General Secretariat for Research and Technology, Greece
- National Scientific Research Foundation
- National Innovation Office, Hungary
- Department of Atomic Energy
- Department of Science and Technology, India
- Institute for Studies in Theoretical Physics and Mathematics, Iran
- Science Foundation, Ireland
- Istituto Nazionale di Fisica Nucleare, Italy
- Ministry of Science, ICT and Future Planning
- National Research Foundation (NRF), Republic of Korea
- Lithuanian Academy of Sciences
- Ministry of Education
- University of Malaya (Malaysia)
- CINVESTAV
- CONACYT
- SEP
- UASLP-FAI
- Ministry of Business, Innovation and Employment, New Zealand
- Pakistan Atomic Energy Commission
- Ministry of Science and Higher Education
- National Science Centre, Poland
- Fundacao para a Ciencia e a Tecnologia, Portugal
- JINR, Dubna
- Ministry of Education and Science of the Russian Federation
- Federal Agency of Atomic Energy of the Russian Federation, Russian Academy of Sciences
- Russian Foundation for Basic Research
- Ministry of Education, Science and Technological Development of Serbia
- Secretaria de Estado de Investigacion, Desarrollo e Innovacion
- Programa Consolider-Ingenio 2010, Spain
- ETH Board
- ETH Zurich
- PSI
- SNF
- UniZH
- Canton Zurich
- SER
- Ministry of Science and Technology, Taipei
- Thailand Center of Excellence in Physics
- Institute for the Promotion of Teaching Science and Technology of Thailand
- Special Task Force for Activating Research
- National Science and Technology Development Agency of Thailand
- Scientific and Technical Research Council of Turkey
- Turkish Atomic Energy Authority
- National Academy of Sciences of Ukraine
- State Fund for Fundamental Researches, Ukraine
- Science and Technology Facilities Council, UK
- US Department of Energy
- US National Science Foundation
- Marie-Curie program
- European Research Council
- EPLANET (European Union)
- Leventis Foundation
- A. P. Sloan Foundation
- Alexander von Humboldt Foundation
- Belgian Federal Science Policy Office
- Fonds pour la Formation a la Recherche dans l'Industrie et dans l'Agriculture (FRIA-Belgium)
- Agentschap voor Innovatie door Wetenschap en Technologie (IWT-Belgium)
- Ministry of Education, Youth and Sports (MEYS) of the Czech Republic
- Council of Science and Industrial Research, India
- HOMING PLUS program of Foundation for Polish Science
- European Union, Regional Development Fund
- Compagnia di San Paolo (Torino)
- Consorzio per la Fisica (Trieste)
- MIUR (Italy) [20108T4XTM]
- Thalis and Aristeia programs - EU-ESF
- Greek NSRF
- National Priorities Research Program by Qatar National Research Fund
- Science and Technology Facilities Council [ST/I505580/1, ST/F007434/1, ST/N001273/1, ST/M004775/1, ST/I003622/1, ST/N000242/1, ST/K003542/1, ST/L005603/1, ST/K003542/1 GRID PP, ST/J004871/1] Funding Source: researchfish
Measurements of normalized differential cross sections as functions of the multiplicity and kinematic variables of charged-particle tracks from the underlying event in top quark and antiquark pair production are presented. The measurements are performed in proton-proton collisions at a center-of-mass energy of 13<, and are based on data collected by the CMS experiment at the LHC in 2016 corresponding to an integrated luminosity of 35.9fb(-1). Events containing one electron, one muon, and two jets from the hadronization and fragmentation of b quarks are used. These measurements characterize, for the first time, properties of the underlying event in top quark pair production and show no deviation from the universality hypothesis at energy scales typically above twice the top quark mass.
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